# Build the Irrlicht shared library

# source files
FILE(GLOB Irrlicht_SOURCES *.cpp)

# header files
FILE(GLOB Irrlicht_HEADERS *.h lzma/*.c)

# exported header files
FILE(GLOB Irrlicht_PUBLIC_HEADERS ${OpenNERO_SOURCE_DIR}/external/include/irrlicht/*.h )

SET(EXTRA_LIBS)

# Irrlicht needs libz
FIND_PACKAGE(ZLIB)
IF (ZLIB_FOUND)
  INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
  LIST(APPEND EXTRA_LIBS ${ZLIB_LIBRARY})
  MESSAGE(STATUS "z lib found on system!")
ELSE(ZLIB_FOUND)
  INCLUDE_DIRECTORIES(zlib)
  ADD_SUBDIRECTORY(zlib)
  LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/zlib)
  LIST(APPEND EXTRA_LIBS z)
  MESSAGE(STATUS "z lib not found on system, using bundled!")
ENDIF(ZLIB_FOUND)

# Irrlicht needs libpng
FIND_PACKAGE(PNG)
IF (PNG_FOUND AND NOT APPLE)
  INCLUDE_DIRECTORIES(${PNG_INCLUDE_DIR})
  LIST(APPEND EXTRA_LIBS ${PNG_LIBRARY})
  MESSAGE(STATUS "png lib found on system!")
ELSE(PNG_FOUND AND NOT APPLE)
  INCLUDE_DIRECTORIES(libpng)
  ADD_SUBDIRECTORY(libpng)
  LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/libpng)
  LIST(APPEND EXTRA_LIBS png)
  MESSAGE(STATUS "png lib not found on system, using bundled!")
ENDIF(PNG_FOUND AND NOT APPLE)

# Irrlicht needs libjpeg
FIND_PACKAGE(JPEG)
IF (JPEG_FOUND AND NOT APPLE)
  INCLUDE_DIRECTORIES(${JPEG_INCLUDE_DIR})
  LIST(APPEND EXTRA_LIBS ${JPEG_LIBRARY})
  MESSAGE(STATUS "jpeg lib found on system!")
ELSE(JPEG_FOUND AND NOT APPLE)
  INCLUDE_DIRECTORIES(jpeglib)
  ADD_SUBDIRECTORY(jpeglib)
  LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/jpeglib)
  LIST(APPEND EXTRA_LIBS jpeg)
  MESSAGE(STATUS "jpeg lib not found on system, using bundled!")
ENDIF(JPEG_FOUND AND NOT APPLE)

# Irrlicht needs bzip2
FIND_PACKAGE(BZip2)
IF (BZIP2_FOUND)
  INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
  LIST(APPEND EXTRA_LIBS ${BZIP2_LIBRARIES})
  MESSAGE(STATUS "bzip2 lib found on system!")
ELSE(BZIP2_FOUND)
  INCLUDE_DIRECTORIES(bzip2)
  ADD_SUBDIRECTORY(bzip2)
  LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/bzip2)
  LIST(APPEND EXTRA_LIBS bz2)
  MESSAGE(STATUS "bzip2 lib not found on system, using bundled!")
ENDIF(BZIP2_FOUND)

# Irrlicht needs lzma
INCLUDE_DIRECTORIES(lzma)

# settings for the Irrlicht compile configuration file
SET(_IRR_COMPILE_WITH_SOFTWARE_ 1)
SET(_IRR_COMPILE_WITH_BURNINGSVIDEO_ 1)
IF(UNIX)
  SET(_IRR_COMPILE_WITH_X11_ 1)
ENDIF(UNIX)
# how to compile with Z-lib
SET(_IRR_COMPILE_WITH_ZLIB_ 1)
IF (NOT ZLIB_FOUND)
  SET(_IRR_USE_NON_SYSTEM_ZLIB_ 1)
ENDIF (NOT ZLIB_FOUND)
# how to compile with libjpeg
SET(_IRR_COMPILE_WITH_LIBJPEG_ 1)
IF (NOT JPEG_FOUND)
  SET(_IRR_USE_NON_SYSTEM_LIBJPEG_ 1)
ENDIF (NOT JPEG_FOUND)
# how to compile with lib
SET(_IRR_COMPILE_WITH_LIBPNG_ 1)
IF (NOT PNG_FOUND)
  SET(_IRR_USE_NON_SYSTEM_LIBPNG_ 1)
ENDIF (NOT PNG_FOUND)
# create the Irrlicht compile configuration file
CONFIGURE_FILE(${OpenNERO_SOURCE_DIR}/external/include/irrlicht/IrrCompileConfig.h.in ${CMAKE_CURRENT_BINARY_DIR}/IrrCompileConfig.h)

# Irrlicht include files are in another directory
INCLUDE_DIRECTORIES( ${OpenNERO_SOURCE_DIR}/external/include/irrlicht ${CMAKE_CURRENT_BINARY_DIR})

# Irrlicht needs aes
INCLUDE_DIRECTORIES(aesGladman)
ADD_SUBDIRECTORY(aesGladman)
LINK_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/aesGladman)
LIST(APPEND EXTRA_LIBS aes)

IF (WIN32)
  ADD_DEFINITIONS(-DWIN32 -D_WINDOWS -D_USRDLL -DIRRLICHT_EXPORTS -D_CRT_SECURE_NO_WARNINGS)
ENDIF (WIN32)

IF (WIN32)
ELSE (WIN32)
  IF (APPLE)
    LIST (APPEND Irrlicht_SOURCES MacOSX/CIrrDeviceMacOSX.mm MacOSX/AppDelegate.mm MacOSX/OSXClipboard.mm )
    INCLUDE_DIRECTORIES ( MacOSX .)
    FIND_LIBRARY(COCOA_LIBRARY Cocoa)
    FIND_LIBRARY(CARBON_LIBRARY Carbon)
    FIND_LIBRARY(OPENGL_LIBRARY OpenGL)
    FIND_LIBRARY(APP_SERVICES_LIBRARY ApplicationServices )
    MARK_AS_ADVANCED (COCOA_LIBRARY)
    MARK_AS_ADVANCED (CARBON_LIBRARY)
    MARK_AS_ADVANCED (OPENGL_LIBRARY)
    MARK_AS_ADVANCED (APP_SERVICES_LIBRARY)
    LIST(APPEND EXTRA_LIBS ${COCOA_LIBRARY} ${CARBON_LIBRARY} ${APP_SERVICES_LIBRARY} ${OPENGL_LIBRARY})
  ELSE (APPLE)
    FIND_LIBRARY(GL_LIBRARY GL REQUIRED)
    LIST(APPEND EXTRA_LIBS ${GL_LIBRARY})
  ENDIF (APPLE)
ENDIF (WIN32)

ADD_LIBRARY (Irrlicht SHARED ${Irrlicht_SOURCES} ${Irrlicht_HEADERS} ${Irrlicht_PUBLIC_HEADERS} )

TARGET_LINK_LIBRARIES( Irrlicht ${EXTRA_LIBS} )

IF (APPLE)
  ADD_DEFINITIONS("-x objective-c++")
  TARGET_LINK_LIBRARIES(Irrlicht ${OPENGL_LIBRARIES})
  SET_TARGET_PROPERTIES(Irrlicht PROPERTIES COMPILE_FLAGS "-include MacOSX/MacOSX_Prefix.pch")
ENDIF (APPLE)

INSTALL(TARGETS Irrlicht 
        LIBRARY DESTINATION "."
        RUNTIME DESTINATION "."
        ARCHIVE DESTINATION ".")